Operation
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Cartesian coordinates (x, y, z)
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Cylindrical coordinates (ρ, φ, z)
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Spherical coordinates (r, θ, φ), where θ is the polar angle and φ is azimuthal
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A vector field A
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Gradient ∇f
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Divergence ∇ ⋅ A
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Curl ∇ × A
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Laplace operator ∇2f ≡ ∆f
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Differential displacement dℓ
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Differential normal area dS
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Differential volume dV
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